Telephone-switch



(No Model.)

W. A. MOORE. TELEPHONE VSWITCHl No. 556,763. Patented Mar. 24, 1896.

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` PATENT Fries.

VILLIAM A. MOORE, OF BROOKLYN, NEIV YORK.

TELEPHONE-SWITCH.

SPECIFICATION forming part of Letters Patent No. 556,763, dated March 24, 1896.

Application led September 5, 1895. Serial No. 561,497. (No model.)

To all tub/omit may concern:

Be it known that I, WILLIAM A. Moolen, a citizen of the United States of America, and a resident of Brooklyn, Kings county, New York, have invented a new and useful Improvement in Telephone-Switches, of which l vat-ion of a receiver suspended from the hook of the switch, the parts being shown in the position which they occupy when the battery is cut out. 2 is a view of substantially similar parts in the positions they occupy when the battery is cut in. Fig. 3 is a plan view of some of the parts shown in Fig. l, the spring-contacts being removed and the underlying parts shown in dotted lines. Fig. i is an under face view of the switch in the position shown in Fig. l, and Fig. 5 is a. central vertical sectional view of a portion of the transmitter-case and the switch contained therein.

My invention relates to telephoneswitches, and especially to that class in which some member of the device is used as a supportinghook for one of the telephonie instruments.

The end mostsought after in telephoneswitches is some arrangement that will prevent the leaving of the instruments in the place they are intended to occupy when not in use without iirst cutting out the bat-terycircuit, so that there shall be no waste of power. This has been accomplished by what is known as the gravity-switch5 but my aim has been to accomplish it by what I may term a positive movement, not controlled by or dependent upon gravity or its equivalents, and at the same time to arrange the parts so that they may be in sm all compass to accomm odate their placing in the case of the transmitter, it' desired, where I prefer to place them, and I also prefer to suspend the receiver from some member of the switch, as that is the more convenient arrangement.

In the drawings, O represents the transmitter-case. Its special form or arrangement is not material. IVithin it I arrange a switchboard B, secured in any suitable mannerhere by screws s, passing into lugs in the oase. Pivoted on this switchboard or some suitable support is a iinger lever or switch F, and adjacent to its path are contact-points p p' p2, of which I show three, though more or less may be used dependent upon the wiring.

IVe will suppose, for example, the batterycircuit is through contact p, the lever F and contact p', when they are in the position shown. in Fig. 2. In a suitable bearing, as l), I support a hook II, arranged to slide in and out, and when in to have its hook substantially closed by the abutting of the point against the bearing b or some adjacent part. At or near the inner end I provide hook Il with two lingers f, arranged preferably at right angles to the line of movement of the main shaft of the hook. On the under face of the switchboard I pivot a lever L, prefer ably in elbow forni,- and secured to it I arrange a pin pi, so placed that it will reach down and stand between the lingers f. Another pin, p4, extends down from switch-lever F through slot s in the board B and into slot si in the lever IJ. There is also a slot S in the case inclosing the switch, through which the lever F extends and in which it may work.

The operation of the device is manifest. lVhen the device is not in use the receiver hangs on the hook, as seen in Fig. I, and the battery is cut out, the circuit being broken from point p to p, they being insulated one from the other in any suitable way, here by having the boa-rd Il of insulating material. Now one wanting to use the telephone seizes the receiver and removes it from the hook and then swings the lever F to the left, thereby closing the circuit from contact j) to contact p' and cutting in the battery; but when this is done the pin p4, connected to the lever F and passing into slot s', carries that end of leverL to the left and necessarily swings the other end and its connected pin p3 inward. The pin p3, pressing upon the iunerof lingers f, draws the hook I-I inward till the point rests upon the abutment of bearingb. The operator iinisheshis communication and then desires to hang up the receiver, but this he cannot do until he forces out the hook Il by reversing the movement above described by swinging the lever F to the right, when he of course breaks the batter '-circuit and the rc IOO sult is that the battery will not be left in circuit through the carelessness or forgetfulness of the operator, the end to be attained. At the same time the switch is compact and takes up little space in the transmitter-case, where it is usually desired, it is positive, does not depend upon gravity or springs, is not likely to get out of order and is inexpensive.

The fingers f constitute a slot or hinge and a flat slotted piece could be readily substituted therefor.

lVhat I claim as my invention, and desire to secure by Letters Patent, is-

1. A switch composed of a linger-lever, combined with a hook supported in a bearing, an intermediate pivoted lever provided with a pin and a slot, the pin arranged to engage pins connected to the hook and the slot engaged by a pin connected with the finger-lever together with one or more contact-points arranged as described whereby when the fingerpiece is in one position the circuit from one point to the other is broken and the hook .is projected and vice versa, all substantially as set forth.

2. The combination with a transmittercase, of a finger-lever extending through a slot in said case, a hook supported in a bearing and extended through said case7 an intermediate pivoted lever provided with a pin and a slot, the pin arranged to engage pins connected to the hook and t-he slot engaged by a pin connected with the finger-lever, together with one or more contact-points arranged as described, whereby when the finger-piece is in one position the circuit from one point to the other is broken and the hook is projected and vice versa, all substantially as set forth.

3. The combination with a case, of a iinger piece extending through a slot in said case and pivoted on a switchboard of insulating material secured therein7 a hook supported in a bearing and extending through said case on the side of the board opposite to that on which the finger-piece is pivoted, an intermediate elbow-lever pivoted to said board and provided with a downwardly-extending pin and a horizontal slot, the pin arranged to engage pins connected to the hook and the slot engaged by a pin connected with the ngerlever, together with one or more contact-points arranged as described, whereby when the ringer-piece is in one position the circuit from one point to the other is-broken and the hooi: is projected and vice versa, all substantially as set forth.

4. The combination in a telephone-switch of a finger-lever, one or more contact-points.` a sliding hook and positive continuous connections between the finger-lever and the sliding hook, substantially as set forth,whereby, without other force, the movement of the finger in one direction will break contact and extend the hook and the movement of said iinger-lever in the opposite direction will make contact and retract the hook, all substantialliT as set forth.

5. The combination in a telephone-switch of one or more contact-points, a iingeielcver. a sliding hook, an elbow-lever interposed between the finger-lever and the sliding hook. and positive con tinuou s connections from said finger-lever to the elbow-lever and from the elbow-lever to the sliding hook, all arranged and combined to operate, substantiallyas set forth.

In testimony that I claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 13th day of August. 1895.

XVILLIAM A. MOORE. lVitnesses L. E. DE COURLANDER, R. C. JACKSON. 

